*> 100 Cool Things - http://cobolrocks.codeplex.com/
*> Copyright (c) 2009
*> by Emerson Lopes (emersonlopes@gmail.com)
*>
*> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
*> documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
*> the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and 
*> to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*>
*> The above copyright notice and this permission notice shall be included in all copies or substantial portions 
*> of the Software.
*>
*> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
*> TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
*> THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
*> CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
*> DEALINGS IN THE SOFTWARE.

INTERFACE-ID. IReceiptPrinterAbstractProduct as "AFP.IReceiptPrinterAbstractProduct". 

    environment division.
        configuration section.
            repository.
                interface ICashDrawerAbstractProduct     as "AFP.ICashDrawerAbstractProduct"
                
                class SystemString   as "System.String"
                class ClassUser      as "AFP.User"      
                class ClassCompany   as "AFP.Company"
                class ClassProduct   as "AFP.Product".   
                
    procedure division.
        method-id. StartNewSale as "StartNewSale".
            data division.
                linkage section.
                    01 company     usage object reference ClassCompany.
                    01 user        usage object reference ClassUser.        
            
            procedure division using by value company, by value user.
            
        end method StartNewSale.
        
        method-id. RegisterItem as "RegisterItem".   
            data division.
                linkage section.
                    01 product   usage object reference ClassProduct.
                    01 quantity  usage binary-long signed.
            
            procedure division using by value product, by value quantity.
            
        end method RegisterItem.

        method-id. PrintTotal as "PrintTotal".
            data division.
                linkage section.
                    01 cashDrawer  usage object reference ICashDrawerAbstractProduct.
                    
            procedure division using by value cashDrawer.
            
        end method PrintTotal.
        
        *> ... and any other interfaces that you may need to implement
        *> (e.g. CancelItem, CancelTransaction, PrintDiscount etc
        
END INTERFACE IReceiptPrinterAbstractProduct.
